There are three games this Sunday that will determine who Texas Tech plays in the first round of the Big 12 Conference Tournament. Texas Tech has officially secured the No. 1 seed for the conference tournament and the regular-season championship. They’ve won back-to-back titles after a dominant 21–3 conference run. Big 12 Softball bracket | big12sports.com Today, May 3, is the final day of regular-season Big 12 games and will determine the final seeding of the top eight teams making the conference playoffs in Oklahoma City. The main battle is for the second seed, which can affect who Texas Tech may play in the finals. Arizona leads Oklahoma State by one game, and if the Wildcats beat the Utes in the series finale today, they will lock in the No. 2 seed. If Arizona loses its last regular-season scheduled game and Oklahoma State beats Kansas, tiebreakers (head-to-head) will be used to determine who plays the No. 7 seed as the number two seed.…